Ripper rain was recorded right across the Katherine region last night.
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About 25mm, or about an inch in the old measure, fell in gauges in many areas with a low pressure trough perched above us.
Just as importantly, there were big falls in the upper catchment of the Katherine River which is running at record low levels - about 80mm at Nitmiluk.
The Bureau of Meteorology is forecasting the same "shower or two. Possible storm" for the next seven days as a weak monsoon trough forms to the north-west of Australia but is still likely to influence weather in the Top End.
The trough may even spawn a cyclone to impact the Pilbara region.
"A weak monsoon trough is developing across the northern Timor Sea and northern Arafura Sea. A tropical low may form within the monsoon trough over the northern Timor Sea or Arafura Sea over the weekend," the bureau says.
It comes after Katherine recorded just over half its average annual rainfall last year - one of the worst ever results.
Last night's good soaking rain came after midnight as this time the storm did not veer away as others have in the past.
Bulman has recorded 42mm.
Now all eyes are watching the developing monsoon which may produce a second low pressure system forecast to develop around in the Darwin area on Monday.
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